1 (in the Christian Church) a small administrative district typically having its own church and a priest or pastor.
1.1 British The smallest unit of local government, constituted only in rural areas.
1.2 US (in Louisiana) a territorial division corresponding to a county in other states.
Middle English from Anglo-Norman French and Old French paroche, from late Latin parochia, from Greek paroikia ‘sojourning’, based on para- ‘beside, subsidiary’ + oikos ‘dwelling’.
Some of the population of the local parish were particularly poorish.